Home / 9,646.20-14,469.30-9,135.90

Finding the Fourth Proportional to 9,646.20, 14,469.30 and 9,135.90

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Solution

The fourth proportional to 9,646.20, 14,469.30 and 9,135.90 is: 13,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,646.20 : 14,469.30 = 9,135.90 : x
  2. Step 2: Convert to fraction form
    9,646.20/14,469.30 = 9,135.90/x
  3. Step 3: Cross multiply
    9,646.20x = 14,469.30 × 9,135.90
  4. Step 4: Simplify right side
    9,646.20x = 132,190,077.87
  5. Step 5: Solve for x
    x = 132,190,077.87/9,646.20
  6. Step 6: Final answer
    x = 13,703.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.